Definitions by jjk1 is coming

FEF 

Created after BTS member Jin tweeted "kekeke" in Hangul. A few confused souls thought it was a backwards F and tweeted F F F F F F instead. FEFing is the action of using F F F F and "FEF" is equivalent to "lol".

"fef that was so funny"

FEF by jjk1 is coming May 17, 2020